HP HP-11C

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126

Section

8:

Subroutines

Key

in

the

following

set

of

variables:

x=43,

y=179,

2=13,

t=8.0

Keystrokes

Display

8

8.0000

1.3

1.3000

7.9

(ENTER)4.3

12.1074

Table of Contents

Introduction4
- Table of Contents5
- Contents9
The HP-11C Keyboard and Continuous Memory10
Your HP-11C: a Problemsolver11
- Manual Solutions12
- Programmed Solutions14
Partl HP-11C Fundamentals17
Section 1: Getting Started18
- Power Onand off18
- Display .Ot18
- Memmory O21
  - Continuous Memory21
  - Resetting Memory22
- Keyboard Operation22
Section 2: the Automatic Memory Stack, LAST X, and Datastorage28
- The Automatic Memory Stack and Stack Manipulation28
- Storage Register Operations39
- Problems42
Section 3: Numericfunctions44
- T Pp44
- Number Alteration Functions44
- One-Number Functions45
- Statisticss FUNCHIONS56
Section4: Displaycontrol69
- Display Mode Control69
  - Fixed Decimal Display70
  - Engineering Notation Display72
- Keying in Exponents73
- Rounding Atthe Tenth Digit74
Partil: HP-11C Programming75
- Whatlsaprogram76
- Why Write Programs76
- Program Control76
Section 5: Programmingbasics77
- IMEM] et E E E79
- Keycodes Andlinenumbers79
- Abbreviated Key Sequences80
- Usermode81
- Programmemory82
- Interpretingkeycodes83
- Programming Operations85
Section 6: Program Editing98
- Finding Program Errors98
- Editing Funclions99
- Editing Example100
- Problems109
Section 7: Program Decisions and Control112
- Program Conditional Tests112
- Flags .Ot E E113
- Program Control114
Section 8: Subroutines121
- Gotosubroutine121
- Subroutine Limits122
- Subroutinelusage123
Section 9: the Index Register129
- Direct Index Register Functions129
- Indirect Index Register Functions132
- Loop Control Using134
- Indirect Ry Operations137
- Indirect Programcontrol138
  - Indirect Label Branches and Subroutines138
  - Indirect Line Number Branches and Subroutines139
Part III: Programmed Problem Solving141
Section 10: Applications Programs142
- Matrix Algebra151
- Systems of Linear Equations with Three Unknowns151
- Newton''s Method (Solutiontof(X)=0)156
- Numerical Integration by Discrete Points161
- Curve Fitting171
- LS Atistics Lt I E E E E E178
- Chi-Square Evaluation184
- Finance: Annuities and Compound Amounts187
- Submarinehunt196
Section 11: Programming Techniques208
- The Problem Statement208
- The Algorithm208
- Flowcharts210
- Sudioulines212
- Datalnput214
- LOOPING Ittt216
- Flags Oot E E E217
- Random Numbers219
- User-Definable Keys219
  - Storingdata220
  - Selecting Different Routines220
Appendix A: Error Conditions221
Appendix B: Stack Liftand LASTX223
- Digitentry Termination223
Appendix C: How Automatic Memory226
Reallocationoperates226
- Converting Storage Registers to Program Memory226
- Converting Program Memory to Storage Registers229
- Using229
Appendix D: Battery, Warranty, and Service Information232
- Batteries .Ottt E232
- When You Need Help243
- Temperature Specifications243
  - Interference (for UUS.A. Only)244
Programming Techniquesindex245
Functionkeyindex247
Programmingkeyindex251
Subjectindex253

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